定位基准的选择·································································································· 33 5.2.2 切削力及夹紧力的计算························································································· 33 5.3 定位误差的分析·········································································································· 34 5.4 夹具设计及操作的简要说明·························································································· 34 结论············································································································ 36 参考文献········································································································· 37 致谢··············································································································· 38 6789 10